Add bookworm build to the PR checkers (sonic-net#3114)

What I did
Add a Bookworm build to the PR checkers. Also fix some Bookworm build errors that crept in.

Why I did it
Buildimage now builds swss for Bookworm, so the build needs to succeed.

azure-pipelines.yml

@@ -92,6 +92,45 @@ stages:
       artifact_name: sonic-swss.arm64
       archive_gcov: false
 
+- stage: BuildBookworm
+  dependsOn: BuildArm
+  condition: succeeded('BuildArm')
+  jobs:
+  - template: .azure-pipelines/build-template.yml
+    parameters:
+      arch: amd64
+      pool: sonicbld
+      sonic_slave: sonic-slave-bookworm
+      common_lib_artifact_name: common-lib
+      swss_common_artifact_name: sonic-swss-common-bookworm
+      sairedis_artifact_name: sonic-sairedis-bookworm
+      artifact_name: sonic-swss-bookworm
+      archive_gcov: false
+
+  - template: .azure-pipelines/build-template.yml
+    parameters:
+      arch: armhf
+      timeout: 240
+      pool: sonicbld-armhf
+      sonic_slave: sonic-slave-bookworm-armhf
+      common_lib_artifact_name: common-lib.armhf
+      swss_common_artifact_name: sonic-swss-common-bookworm.armhf
+      sairedis_artifact_name: sonic-sairedis-bookworm.armhf
+      artifact_name: sonic-swss-bookworm.armhf
+      archive_gcov: false
+
+  - template: .azure-pipelines/build-template.yml
+    parameters:
+      arch: arm64
+      timeout: 240
+      pool: sonicbld-arm64
+      sonic_slave: sonic-slave-bookworm-arm64
+      common_lib_artifact_name: common-lib.arm64
+      swss_common_artifact_name: sonic-swss-common-bookworm.arm64
+      sairedis_artifact_name: sonic-sairedis-bookworm.arm64
+      artifact_name: sonic-swss-bookworm.arm64
+      archive_gcov: false
+
 - stage: BuildDocker
   dependsOn: Build
   condition: succeeded('Build')

orchagent/p4orch/tests/acl_manager_test.cpp

@@ -240,7 +240,7 @@ std::string BuildMatchFieldJsonStrKindComposite(std::vector<nlohmann::json> elem
 {
     nlohmann::json match_json;
     match_json[kAclMatchFieldKind] = kAclMatchFieldKindComposite;
-    for (const auto element : elements)
+    for (const auto &element : elements)
     {
         match_json[kAclMatchFieldElements].push_back(element);
     }